<template>
  <div class="box">
    <div class="tabset">
      <!-- Tab 1 -->
      <input
        id="tab1"
        type="radio"
        name="tabset"
        aria-controls="marzen"
        checked
      >
      <label for="tab1">我是Tab1</label>
      <!-- Tab 2 -->
      <input id="tab2" type="radio" name="tabset" aria-controls="rauchbier">
      <label for="tab2">我是Tab2</label>
      <!-- Tab 3 -->
      <input id="tab3" type="radio" name="tabset" aria-controls="dunkles">
      <label for="tab3">我是Tab3</label>

      <div class="tab-panels">
        <section id="marzen" class="tab-panel">
          <p>
            内容：哈哈哈哈我是tab1
          </p>
        </section>
        <section id="rauchbier" class="tab-panel">
          <p>
            内容：哈哈哈我是tab2
          </p>
        </section>
        <section id="dunkles" class="tab-panel">
          <h2>我是tab3</h2>
        </section>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  mounted() {}
}
</script>

<style lang="scss" scoped>
/*
 CSS for the main interaction
*/
.tabset > input[type="radio"] {
  position: absolute;
  left: -200vw;
}

.tabset .tab-panel {
  display: none;
}

.tabset > input:first-child:checked ~ .tab-panels > .tab-panel:first-child,
.tabset > input:nth-child(3):checked ~ .tab-panels > .tab-panel:nth-child(2),
.tabset > input:nth-child(5):checked ~ .tab-panels > .tab-panel:nth-child(3),
.tabset > input:nth-child(7):checked ~ .tab-panels > .tab-panel:nth-child(4),
.tabset > input:nth-child(9):checked ~ .tab-panels > .tab-panel:nth-child(5),
.tabset > input:nth-child(11):checked ~ .tab-panels > .tab-panel:nth-child(6) {
  display: block;
}

.tabset > label {
  position: relative;
  display: inline-block;
  padding: 15px 15px 25px;
  border: 1px solid transparent;
  border-bottom: 0;
  cursor: pointer;
  font-weight: 600;
}

.tabset > label::after {
  content: "";
  position: absolute;
  left: 15px;
  bottom: 10px;
  width: 22px;
  height: 4px;
  background: #8d8d8d;
}

.tabset > label:hover,
.tabset > input:focus + label {
  color: #06c;
}

.tabset > label:hover::after,
.tabset > input:focus + label::after,
.tabset > input:checked + label::after {
  background: #06c;
}

.tabset > input:checked + label {
  border-color: #ccc;
  border-bottom: 1px solid #fff;
  margin-bottom: -1px;
}

.tab-panel {
  padding: 30px 0;
  border-top: 1px solid #ccc;
}

.box {
  padding: 30px;
}

.tabset {
  max-width: 65em;
}
</style>
